Ferronickel is a ferroalloy that contains approximately 35% nickel and 65% iron. Its CAS number is 11110-39-7. It is a shiny metallic solid material and can be obtained from the carbothermic reduction of serpentinic minerals, such as serpentine, limonite, or garnierite. It enables the production of products with special electronic, magnetic and catalytic properties.
Ferronickel remains stable under normal storage conditions; however when exposed to carbon oxides in reducing atmospheres, there is a risk of forming the toxic gas nickel carbonyl.
The following sections will discuss the various properties of ferronickel in more detail.